Middle East crisis live: Vance leaves Pakistan as historic peace talks with Iran break down

Diplomatic efforts between the United States and Iran have collapsed following intensive negotiations lasting over 20 hours. The failed talks represent a significant setback in Middle East peace initiatives, with both delegations accusing each other of presenting inflexible positions. Vice President Vance's departure from Pakistan marks the end of shuttle diplomacy efforts, signaling deepening tensions in the region and raising concerns about potential escalation in international relations.